2504142978 has 32 divisors (see below), whose sum is σ = 5134691520. Its totient is φ = 813680640.

The previous prime is 2504142973. The next prime is 2504142989. The reversal of 2504142978 is 8792414052.

It is not an unprimeable number, because it can be changed into a prime (2504142973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355426 + ... + 362402.

It is an arithmetic number, because the mean of its divisors is an integer number (160459110).

Almost surely, 2^2504142978 is an apocalyptic number.

2504142978 is an abundant number, since it is smaller than the sum of its proper divisors (2630548542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2504142978 is a wasteful number, since it uses less digits than its factorization.

2504142978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8482.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 2504142978 is about 50041.4126299408. The cubic root of 2504142978 is about 1357.9581127008.

The spelling of 2504142978 in words is "two billion, five hundred four million, one hundred forty-two thousand, nine hundred seventy-eight".